Home / 717,085.80-1,075,628.70-601,612.20

Finding the Fourth Proportional to 717,085.80, 1,075,628.70 and 601,612.20

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Solution

The fourth proportional to 717,085.80, 1,075,628.70 and 601,612.20 is: 902,418.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,085.80 : 1,075,628.70 = 601,612.20 : x
  2. Step 2: Convert to fraction form
    717,085.80/1,075,628.70 = 601,612.20/x
  3. Step 3: Cross multiply
    717,085.80x = 1,075,628.70 × 601,612.20
  4. Step 4: Simplify right side
    717,085.80x = 647,111,348,590.14
  5. Step 5: Solve for x
    x = 647,111,348,590.14/717,085.80
  6. Step 6: Final answer
    x = 902,418.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.